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C+History
History · Belmont

Belmont’s post office opened in 1854, and 1 of its places is on the National Register

More historic than 38% of U.S. towns · #241 of 847 in California. What drives it

Most of Belmont was built recently: 4% of its homes predate 1940 and the median home dates from 1966. Below: 1 old photo or paper, maps from 1896 on, and the census since 1880.

1854first post office
1on the National Register
4%homes built before 1940
1old photo or paper
5famous people
From Belmont’s archive · credits on each photo
Quick answers

How Belmont began

When was Belmont founded?

1854

The Belmont post office opened in 1854, the earliest record of the town by name. Wikidata gives 1926.

First census: 202 in 18802020 census: 28,335172 years

How historic is Belmont?

C+

More historic than 38% of U.S. towns, on its age, its old homes and the National Register.

What drives the grade ↓
Founding year: the first Belmont post office (Blevins & Helbock, CC0). Wikidata: 1926.
History grade

What drives Belmont’s History grade

On its age, its old homes and the National Register, Belmont is more historic than 38% of U.S. towns, #241 of 847 in California. Its National Register listings hold the grade up; its share of homes from before 1940 pulls it down.

C+
HistoryA character grade: shown, never part of Belmont’s overall grade.
All U.S. towns we grade (21,289)Ahead of 38%
NewerOlder
California towns of 2,500+ (847)Ahead of 72%

Few California towns list much on the Register (a typical California town has 0.0 per 10,000 residents, the U.S. 2.4), so Belmont’s 0.7 sits above most of its state (73% of California towns have fewer) while its 2 historic buildings outnumber those of 60% of U.S. towns.

How sure. Graded on any two of the three inputs instead, the letter would range from C− to B−. The pre-1940 share (±1.2 points) is firm at this size. The founding year is the first post office, not a stated founding date; Wikidata gives 1926.

Founding year: the first post office (other dates in Quick answers). Homes: Census ACS 2020–24. National Register: National Park Service, May 2026 list; each listing counted once (boundary changes and added documentation belong to their listing), and a historic district counts its contributing buildings. How TownRatings grades history →

What stands out about Belmont’s past

Read from the archive, the National Register and the record. The page puts what stands out first.

★ What stands out · Help out

Start Belmont’s collection

The first neighbors to add old photos shape how Belmont’s history is told.

Decades since 1900 with photos
00s10s20s30s40s50s60s70s80s90s
0 of 10 decades. The empty ones are waiting for someone’s album.
On the map

Belmont on the map, 1896 to 1993

Every edition of the U.S. Geological Survey’s map of Belmont. Tap a year, or press play to watch the town change.

Belmont on the 1896 USGS mapBelmont on the 1915 USGS mapBelmont on the 1939 USGS mapBelmont on the 1947 USGS mapBelmont on the 1968 USGS mapBelmont on the 1973 USGS mapBelmont on the 1980 USGS mapBelmont on the 1993 USGS map1896San Mateo sheet · 1:62,500

U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Belmont.

On the National Register

1 historic place in Belmont

The country’s official list of buildings and places worth saving. One is a National Historic Landmark, the highest tier.

place listed
1
National Historic Landmark
1
William C. Ralston House
historic buildings protected
2
each building in a district counts
first listed
1966
William C. Ralston House
Buildings★ landmark

Architectural styles listings

Italian Villa1

National Park Service, National Register of Historic Places. Photos from Wikimedia Commons, credited on each place’s page.

The story so far

Belmont, in brief

Wikipedia doesn’t have a history of Belmont yet. The photos, dates and memories neighbors add here are how it gets written.

Belmont is a city in San Mateo County, California, United States. It is in the San Francisco Bay Area, on the San Francisco Peninsula about halfway between San Francisco and San Jose, on the northern edge of California’s Silicon Valley. It was originally part of Rancho de las Pulgas, for which one of its main roads, the Alameda de las Pulgas, is named. The city was incorporated in 1926. Its population was 28,335 at the 2020 census. Ralston Hall is a historic landmark built by Bank of California founder William Chapman Ralston on the campus of Notre Dame de Namur University, and is also home to Notre Dame High School. It was built around a villa formerly owned by Count Leonetto Cipriani, an …

Its first post office opened in 1854. Between the 2010 and 2020 censuses its population grew from 25,835 to 28,335 (+10%).

Intro from Wikipedia. Population: U.S. Census Bureau.

From the old history books

What they wrote about Belmont in 1883

Passages that mention Belmont, cut from the printed page as they were published.

The initial step in the settlement of Belmont, was the building of a hotel by a Mr. Angelo, on what is now known as the Robinson property. This was in the year 1850. A short time prior to that, Angelo had entertained travelers in a canvass tent, a little distance below Redwood City. His hotel in Be…
History of San Mateo County, California, including its geography, topography, geology, climatography, and description, together with an historical sketch of California1883 · page 230Read the page →
Read the text

The initial step in the settlement of Belmont, was the building of a hotel by a Mr. Angelo, on what is now known as the Robinson property. This was in the year 1850. A short time prior to that, Angelo had entertained travelers in a canvass tent, a little distance below Redwood City. His hotel in Belmont, in those early days, became widely known, especially by the sporting fraternity, whose wants were carefully catered to by the proprietor. A Mr.

Text read by machine from the scan; it may contain errors.

Scans and text from the Internet Archive. Books published in 1930 or earlier, which are in the public domain.

Timeline

Belmont, 1854 to 1994

Woven from the archive, old maps, post office records, the National Register and the people born here.

  1. 19th century
  2. 1854Post officeThe Belmont post office opens
  3. 1863Born hereSidney Edward Mezes is born here
  4. 1896On the mapFirst mapped by the U.S. Geological Survey
  5. 20th century
  6. 1966LandmarkWilliam C. Ralston House named a National Historic Landmark
  7. 1981Born hereRyan Boschetti is born here
  8. 1988Born hereAmaechi Igwe is born here
  9. 1994Born hereKody Wakasa is born here
By decade

Belmont, decade by decade

Every building

Belmont, building by building, 1913

Fire insurance maps drew every building, what it was made of and what it was used for, so insurers could price the risk of fire. Pick a sheet.

Belmont fire insurance map, 1913, sheet 11913Sheet 1 of 2

Sanborn Map Company, via the Library of Congress. Editions published in 1930 or earlier, which are in the public domain.

Then & now

Stand where they stood

No then-and-now pairs yet. Take a photo from the same spot as an old one and they appear here side by side.

Ralston Hall, 1500 Ralston Avenue
Retake this viewRalston Hall, 1500 Ralston Avenue

Find the spot, match the angle, and add your photo. It becomes the first then-and-now pair on Belmont’s page.

Retake this view · +15
People over time

Belmont, census by census

05,00010,00015,00020,00025,00030,0001880190019201940196019802000202028,335

Grew from 202 people in 1880 to 28,335 in 2020, more than tenfold.

11 censuses, 1880–2020.

U.S. Census Bureau decennial counts, from the census table on Belmont’s Wikipedia page.

Famous people

5 famous people were born in Belmont

Writers, athletes, leaders and more, ranked by how widely they’re known.

See all →
Places that used to be

Old corners and places now gone

Belmont’s post office has been open since 1854.

Hamlets and corners on the map
Belle Monte
Gone or out of use
Belmont Hills Hospitalhospital

US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).

Stories next door

History across the town line

Each neighbor’s History grade, on the same three inputs.

Questions about Belmont’s history

What year was Belmont founded?

The Belmont post office opened in 1854, the earliest record of the town by name (U.S. post office records). Wikidata gives 1926.

How does Belmont rank for history?

Belmont is more historic than 38% of U.S. towns, #241 of 847 in California. The History grade combines the town’s founding era, the share of homes built before 1940 and its National Register listings. It’s a character grade, so it isn’t part of the overall grade. How it works.

What is on the National Register in Belmont?

One place: the William C. Ralston House (listed 1966).

How old are the homes in Belmont?

4% of Belmont’s homes were built before 1940 (Census estimate, ±1.2 points), against a typical 3.4% for a California town; the median home was built in 1966.

Memory lane

What the archives can’t tell you, neighbors can.

Town Square →
Start a conversation
Sources

Where this page comes from

Founding dates: Wikidata, Wikipedia, the U.S. post office records of Blevins & Helbock (CC0) and the Census. Homes by year built: Census ACS 2020–24. National Register of Historic Places: National Park Service (list of May 22, 2026). Old photos, postcards and papers: Wikimedia Commons, the Library of Congress and other public archives, credited on each item’s page. Maps: U.S. Geological Survey historical topographic maps (via Esri) and Sanborn fire-insurance maps (Library of Congress). History text and census tables: Wikipedia (CC BY-SA 4.0). Places that used to be: USGS Geographic Names Information System (2021).

From Wikimedia Commons (1), the Library of Congress (1), Wikidata (1), the National Register of Historic Places (1), Wikidata and Wikipedia for famous people, U.S. Geological Survey historical maps, U.S. Census counts (via Wikipedia), the US Post Offices dataset (Blevins & Helbock), the USGS Geographic Names Information System, Sanborn fire insurance maps (Library of Congress) and old county and town histories (Internet Archive). Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.